1. The stratospheric warming of January-February, 1957;Craig;J. Meteorol.,1959
2. Craig , R. A. M. A. Lateef The stratospheric warming over North America in 1957, 3, Height, temperature, vorticity, and vertical motion at the 25-mb surface Tallahassee 1961
3. Craig , R. A. M. A. Lateef R. A. Mitchem The stratospheric warming over North America in 1957, 1, Height, temperature, vorticity, and vertical motion at the 100-mb surface Tallahassee 1961
4. Craig , R. A. M. A. Lateef R. A. Mitchem The stratospheric warming over North America in 1957, 2, Height, temperature, vorticity, and vertical motion at the 50-mb surface Tallahassee 1961
5. Epstein , E. S. Large scale vertical motion in the stratosphere Final Rept., part 2 University Park 1960